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CCC 9.9 and fan speed control on 4870

Discussion in 'AMD / ATI' started by Lazzer408, Sep 23, 2009.

  1. Lazzer408

    Lazzer408

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    I see on the CCC overdrive tab I have a fan control. Is this the minimum fan speed or is it locked at the percentage I set it to? If I set it to say 40% and the gpu gets hot, will the card throttle up the fan?

    Guess I could run furmark and find out easy enough.
     
  2. pbmaster

    pbmaster New Member

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    If you leave it on Auto it will speed up when it gets hotter. If you manually put it on a value it will stay there no matter what temperature.
     
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  3. department76

    department76 New Member

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    correct.

    i set mine at 45%, i overclock, and never have it go over 62 C or so. idles around 40 C.
     
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  4. Lazzer408

    Lazzer408

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    Thanks. I tried locking it at 50% but it was creaping up to 75c so I put it back on auto. Sits about 70~71c on auto.
     
  5. human_error

    human_error

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    It will keep the speed you set unless it gets to a dangerous level, where it will suddenly ramp the speed to max (which is really annoying and loud). It will then go down to your set speed when it cools enough, then ramp up if it heats up again etc. This only happens if it gets too hot, so if your case is well ventilated it shouldn't do this on a 4870 (unless you set the speed too low).
     

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